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Updated: Jun 12, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

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Optical characterization of grating surface emitting semiconductor lasers.

R G Waarts

    Applied Optics
    |June 23, 2010
    PubMed
    Summary
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    We developed an apparatus to measure optical characteristics of semiconductor lasers. This system precisely analyzes laser performance, including far-field patterns with 0.01-degree accuracy.

    Area of Science:

    • Optics and Photonics
    • Semiconductor Device Physics

    Background:

    • Grating coupled surface emitting semiconductor lasers are crucial for various optical applications.
    • Accurate characterization of these lasers is essential for performance optimization and device development.

    Purpose of the Study:

    • To introduce a novel apparatus for comprehensive optical measurements of grating coupled surface emitting semiconductor lasers.
    • To detail the capabilities of the apparatus in assessing key laser parameters.

    Main Methods:

    • The apparatus integrates systems for far-field and near-field measurements.
    • Spectral analysis and total power measurements are also incorporated.
    • High-precision angular resolution is achieved for far-field determination.

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    Main Results:

    • The developed apparatus enables simultaneous measurement of multiple optical characteristics.
    • Far-field patterns can be measured with an exceptional absolute accuracy of 0.01 degrees.
    • Near-field, spectral, and power data provide a complete performance profile.

    Conclusions:

    • The described apparatus offers a robust solution for characterizing grating coupled surface emitting semiconductor lasers.
    • This tool facilitates advanced research and development in semiconductor laser technology.
    • The high accuracy in far-field measurement is a significant advancement for laser diagnostics.